CN213117143U

CN213117143U - Cylindrical roller bearing

Info

Publication number: CN213117143U
Application number: CN202022091954.1U
Authority: CN
Inventors: 葛波达; 葛明龙; 赵永辉
Original assignee: Ningbo Zhenhai Yge Bearing Co ltd
Current assignee: Ningbo Zhenhai Yge Bearing Co ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-05-04
Anticipated expiration: 2030-09-22

Abstract

The utility model discloses a cylindrical roller bearing, which relates to the technical field of cylindrical bearings and comprises a bearing outer ring, wherein threaded holes are arranged on the surfaces of two sides of the bearing outer ring, a fixed block is arranged at the top end of the threaded hole, a first retaining frame is arranged at one side of the fixed block, a bolt rod is arranged at one side of the fixed block, a rotating shaft is arranged on the surface of the first retaining frame, and the bottom end of the rotating shaft is connected with a first sealing ring, the bottom end of the first sealing ring is provided with an annular bead, and the bottom end of the annular bead is provided with a second sealing ring, through installing first retainer on cylindrical roller top, and first retainer is connected with the bearing inner race through fixed block and shank of bolt and screw hole, can keep a whole dismantlement when dismantling in the bearing uses, takes place the friction with other parts of bearing when preventing to dismantle, causes wearing and tearing, has embodied cylindrical bearing's practicality.

Description

Cylindrical roller bearing

Technical Field

The utility model relates to a cylindrical bearing technical field especially relates to a cylindrical roller bearing.

Background

The bearing is an important part in the modern mechanical equipment. Its main function is to support the mechanical rotator, reduce the friction coefficient in its motion process and ensure its rotation precision, and the bearings can be divided into two categories of rolling bearing and sliding bearing according to the difference of friction properties of the moving elements.

The inner ring and the outer ring are integrated in the use of the existing cylindrical roller bearing, and the friction between the existing cylindrical roller bearing and other accessories is large when the existing cylindrical roller bearing is disassembled, so that the existing cylindrical roller bearing is not convenient to disassemble, the heat transfer efficiency of the existing cylindrical roller bearing is not high, the high temperature generated in the rotation process of the bearing can not be quickly dissipated, and the service life of the cylindrical roller bearing is shortened.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving present current cylindrical roller bearing and using inner ring and outer lane as a whole, great with the friction of other accessories when dismantling, so be not convenient for dismantle, current cylindrical roller bearing heat transfer efficiency is not high, can not scatter the high temperature that the bearing rotated the in-process and produced fast, has reduced cylindrical roller bearing's life's shortcoming, and the cylindrical roller bearing who provides.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a cylindrical roller bearing comprises a bearing outer ring, wherein threaded holes are formed in the two sides of the bearing outer ring in a surface mounting mode, a fixed block is arranged at the top end of each threaded hole, a first retaining frame is arranged on one side of the fixed block, a bolt rod is arranged on one side of the fixed block, a rotating shaft is arranged on the surface of the first retaining frame, a first sealing ring is connected to the bottom end of the rotating shaft, an annular bead is arranged at the bottom end of the first sealing ring, a second sealing ring is arranged at the bottom end of the annular bead, a cylindrical roller is arranged at the bottom end of the second sealing ring and connected with another group of cylindrical rollers through a second retaining frame, annular grooves are arranged on the two sides of the second retaining frame, a bearing inner ring is arranged on one side of the cylindrical roller, a movable shaft is arranged on the bottom, the connecting block internally mounted has the spliced pole, the annular mounting groove has been seted up to bearing inner race inner wall, and the heat conduction copper sheathing of ring mounting inslot wall scarf joint.

Preferably, the bearing outer ring forms a movable structure with the bearing outer ring on the other side through a connecting block, a connecting column and a movable shaft, and the connecting column is connected with the connecting block in an embedded manner.

Preferably, the cylindrical roller and the first protection frame form a movable structure through the second sealing ring, the first sealing ring and the rotating shaft, and the rotating shaft and the cylindrical roller are in embedded connection.

Preferably, the fixed block is in embedded connection with the threaded hole, and the bolt rod is in threaded connection with the threaded hole.

Preferably, the annular mounting groove is connected with the bearing inner ring in an embedded mode, and the section of the annular mounting groove is of a rectangular structure.

Preferably, the second retainer is fixedly connected with the annular groove, and the inner wall of the annular groove is connected with a sliding sleeve in an embedded manner.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. the utility model discloses in, through installing first holder on cylindrical roller top, and first holder is connected with the bearing inner race through fixed block and shank of bolt and screw hole, can keep a whole dismantlement when dismantling in the bearing uses, takes place the friction with other parts of bearing when preventing to dismantle, causes wearing and tearing, has embodied cylindrical bearing's practicality.

2. The utility model discloses in, install the loose axle through gomphosis in bearing inner race bottom, be equipped with the connecting block in bearing inner race one side, and connecting block and bearing inner race fixed connection, bearing inner race is connected with opposite side bearing inner race through connecting block and spliced pole and inner race groove, can take out the spliced pole through the manpower when installing cylindrical roller toward the bearing in, make two sets of bearing inner races separate, make things convenient for the workman to install cylindrical roller into the bearing in, increased the packaging efficiency of bearing.

3. The utility model discloses in, through installing the second holder between the inside two sets of cylindrical roller of bearing inner race, and second holder both sides are equipped with the ring channel, and the sliding sleeve is installed in the ring channel outside, install the annular mounting groove through at bearing inner race inner wall gomphosis, and annular mounting groove internally mounted has the heat conduction copper sheathing, can be fixed firm with two sets of cylindrical roller through the second link in bearing work, prevent to take place to remove in the rotation and increase bearing wear, can be in work through the heat conduction copper pipe with the rotatory heat that produces of cylindrical roller from bearing inner race discharge fast, increase the life of bearing.

Drawings

FIG. 1 is a schematic diagram of the structure of the middle and outer parts of the present invention;

FIG. 2 is a schematic view of the internal structure of the middle side of the present invention;

fig. 3 is a schematic diagram of the enlarged region at a of the present invention.

Illustration of the drawings:

1. a bearing outer race; 2. connecting blocks; 3. connecting columns; 4. a cylindrical roller; 5. a first holder; 6. a fixed block; 7. a first seal ring; 8. a movable shaft; 9. a bolt shank; 10. a bearing inner race; 11. a second seal ring; 12. an annular rib; 13. a heat-conducting copper sleeve; 14. a second holder; 15. an annular groove; 16. a sliding sleeve; 17. a rotating shaft; 18. a threaded hole; 19. an embedded groove is formed; 20. annular mounting groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, a cylindrical roller bearing comprises a bearing outer ring 1, a connecting block 2, a connecting column 3, a cylindrical roller 4, a first retaining frame 5, a fixing block 6, a first sealing ring 7, a movable shaft 8, a bolt rod 9, a bearing inner ring 10, a second sealing ring 11, an annular rib 12, a heat-conducting copper bush 13, a second retaining frame 14, an annular groove 15, a sliding sleeve 16, a rotating shaft 17, a threaded hole 18, an inner caulking groove 19 and an annular mounting groove 20, wherein threaded holes 18 are formed in the surfaces of the two sides of the bearing outer ring 1, the fixing block 6 is mounted at the top end of each threaded hole 18, the first retaining frame 5 is mounted at one side of the fixing block 6, the bolt rod 9 is mounted at one side of the fixing block 6, the rotating shaft 17 is formed in the surface of the first retaining frame 5, the first sealing ring 7 is connected to the bottom end of the, cylindrical roller 4 is installed to 11 bottoms of second sealing ring, and cylindrical roller 4 is connected with another group's cylindrical roller 4 through second holder 14, ring channel 15 is installed to 14 both sides of second holder, bearing inner race 10 is installed to 4 one sides of cylindrical roller, 1 bottom surface mounting in bearing inner race has loose axle 8, connecting block 2 is installed to 1 inside one side in bearing inner race, and connecting block 2 is connected with 1 in opposite side bearing inner race through

interior caulking groove

19, 2 internally mounted in connecting block have spliced pole 3, annular mounting groove 20 has been seted up to 10 inner walls in the bearing inner race, and 20 inner walls in the annular mounting groove have inlayed and have had heat conduction copper sheathing 13.

Further, bearing inner race 1 constitutes the active structure through connecting block 2, spliced pole 3, loose axle 8 and another side bearing inner race 1, and is connected for the gomphosis between spliced pole 3 and the connecting block 2, takes out spliced pole 3 through the manpower when can installing, makes bearing inner race 1 part through loose axle 8, conveniently assembles cylindrical roller 4 in the bearing.

Furthermore, the cylindrical roller 4 forms a movable structure with the first protective frame through the second sealing ring 11, the first sealing ring 7 and the rotating shaft 17, and the rotating shaft 17 is in embedded connection with the cylindrical roller 4, so that the cylindrical roller 4 can be fixed between the bearing outer ring 1 and the bearing inner ring 10 through the first protective frame 5 when the bearing is in use, and the bearing is prevented from being abraded due to shaking.

Furthermore, the fixing block 6 is connected with the threaded hole 18 in a embedded mode, the bolt rod 9 is connected with the threaded hole 18 in a threaded mode, the fixing block 6 is fixedly connected with the first retaining frame 5, the bolt rod 9 can be taken out of the threaded hole 18 when the bearing is disassembled, the cylindrical roller 4 can be taken out integrally, and other parts are prevented from being touched during disassembly.

Further, be connected for the gomphosis between annular mounting groove 20 and the bearing inner race 10, and annular mounting groove 20 cross-section is the rectangle structure, is connected for the gomphosis between annular mounting groove 20 and the heat conduction copper sheathing 13, can lead away the heat that cylindrical roller 4 during operation produced through heat conduction copper sheathing 13 when the bearing during operation fast, increases the life of bearing.

Furthermore, the second retainer 14 is fixedly connected with the annular groove 15, the sliding sleeve 16 is connected with the inner wall of the annular groove 15 in an embedded mode, and the second retainer 14 is fixedly connected with the cylindrical rollers 4 on two sides, so that the cylindrical rollers 4 can be firmly fixed through the second retainer 14 when the bearing operates, the abrasion between the bearing and the outer ring 1 of the bearing is reduced, and the quality of the bearing is improved.

The working principle is as follows: when the bearing is used, when the bearing needs to be assembled, the inner connecting column 3 of the connecting block 2 at the top end of the bearing outer ring 1 is taken out through manpower, the inner connecting block 2 of the bearing outer ring 1 is separated from the inner embedded groove 19 of the bearing outer ring 1 at the other side, the bearing outer ring 1 is opened through the movable shaft 8 through the manpower, a worker can conveniently put the cylindrical roller 4 between the bearing outer ring 1 and the bearing inner ring 10 for assembly, after the cylindrical roller 4 is put in, the connecting block 2 of the bearing outer ring 1 is clamped with the embedded groove 19, the connecting column 3 is put back into the connecting block 2, the bearing outer ring 1 is fixed firmly, the central bolt rod 9 of the fixing block 6 is connected with the threaded holes 18 at two sides of the bearing outer ring 1, the cylindrical roller 4 is further fixed, and when the bearing is used, the first sealing ring 7 and the second sealing ring 11 which are installed at, the bearing quality is increased, the heat conducting copper sleeve 13 is installed in the annular installation groove 20 between the cylindrical roller 4 and the bearing inner ring 10, heat generated by rotation of the cylindrical roller 4 can be rapidly discharged from the bearing inner ring 10 through the heat conducting copper sleeve 13 in work, and the service life of the bearing is prolonged.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The cylindrical roller bearing comprises a bearing outer ring (1) and is characterized in that threaded holes (18) are formed in the two sides of the bearing outer ring (1) in a surface mounting mode, fixing blocks (6) are installed at the top ends of the threaded holes (18), a first retaining frame (5) is installed on one side of each fixing block (6), bolt rods (9) are installed on one side of each fixing block (6), a rotating shaft (17) is arranged on the surface of each first retaining frame (5), a first sealing ring (7) is connected to the bottom end of each rotating shaft (17), an annular convex edge (12) is installed at the bottom end of each first sealing ring (7), a second sealing ring (11) is installed at the bottom end of each annular convex edge (12), cylindrical rollers (4) are installed at the bottom end of each second sealing ring (11), the cylindrical rollers (4) are connected with another group of cylindrical rollers (4) through a second retaining frame (14), and, cylindrical roller (4) one side is installed bearing inner race (10), bearing inner race (1) bottom surface mounting has loose axle (8), connecting block (2) are installed to the inside one side of bearing inner race (1), and connecting block (2) are connected with opposite side bearing inner race (1) through embedded groove (19), connecting block (2) internally mounted has spliced pole (3), annular mounting groove (20) have been seted up to bearing inner race (10) inner wall, and annular mounting groove (20) inner wall scarf joint has heat conduction copper sheathing (13).

2. The cylindrical roller bearing according to claim 1, wherein the bearing outer ring (1) forms a movable structure with the other side bearing outer ring (1) through the connecting block (2), the connecting column (3), the movable shaft (8), and the connecting column (3) is connected with the connecting block (2) in a jogged manner.

3. The cylindrical roller bearing as claimed in claim 1, characterized in that the cylindrical roller (4) forms a movable structure with the first protection frame via the second sealing ring (11), the first sealing ring (7) and the rotating shaft (17), and the rotating shaft (17) is connected with the cylindrical roller (4) in a fitting manner.

4. Cylindrical roller bearing according to claim 1, characterized in that the fixing block (6) is in a fitting connection with the threaded bore (18) and the bolt shank (9) is in a threaded connection with the threaded bore (18).

5. The cylindrical roller bearing as claimed in claim 1, characterized in that the annular mounting groove (20) is connected with the bearing inner ring (10) in a jogged manner, and the section of the annular mounting groove (20) is of a rectangular structure.

6. The cylindrical roller bearing as claimed in claim 1, characterized in that the second cage (14) is fixedly connected to the annular groove (15), and a sliding sleeve (16) is fitted to the inner wall of the annular groove (15).